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Multiplication Near Squares Worksheet

Tables & multiplication lesson 18: Number patterns near squares · Set 135 · 40 questions
TalentJR

How it works (Middle square): Find the middle number (20 for 19 × 21) and the distance from it (1). Square the middle number. Take away the distance squared.

NameDateTime takenScore ___ / 40
  1. 1.91 × 99 =
  2. 2.19 × 21 =
  3. 3.29 × 31 =
  4. 4.15 × 25 =
  5. 5.65 × 75 =
  6. 6.79 × 81 =
  7. 7.12 × 18 =
  8. 8.51 × 59 =
  9. 9.49 × 51 =
  10. 10.28 × 32 =
  11. 11.48 × 52 =
  12. 12.82 × 88 =
  13. 13.86 × 94 =
  14. 14.48 × 52 =
  15. 15.24 × 26 =
  16. 16.79 × 81 =
  17. 17.93 × 97 =
  18. 18.14 × 16 =
  19. 19.17 × 23 =
  20. 20.53 × 57 =
  21. 21.77 × 83 =
  22. 22.68 × 72 =
  23. 23.36 × 44 =
  24. 24.89 × 91 =
  25. 25.11 × 19 =
  26. 26.39 × 41 =
  27. 27.17 × 23 =
  28. 28.69 × 71 =
  29. 29.29 × 31 =
  30. 30.16 × 24 =
  31. 31.97 × 103 =
  32. 32.89 × 91 =
  33. 33.45 × 55 =
  34. 34.58 × 62 =
  35. 35.28 × 32 =
  36. 36.78 × 82 =
  37. 37.66 × 74 =
  38. 38.54 × 56 =
  39. 39.56 × 64 =
  40. 40.17 × 23 =

Answer key

  1. 9009
  2. 399
  3. 899
  4. 375
  5. 4875
  6. 6399
  7. 216
  8. 3009
  9. 2499
  10. 896
  11. 2496
  12. 7216
  13. 8084
  14. 2496
  15. 624
  16. 6399
  17. 9021
  18. 224
  19. 391
  20. 3021
  21. 6391
  22. 4896
  23. 1584
  24. 8099
  25. 209
  26. 1599
  27. 391
  28. 4899
  29. 899
  30. 384
  31. 9991
  32. 8099
  33. 2475
  34. 3596
  35. 896
  36. 6396
  37. 4884
  38. 3024
  39. 3584
  40. 391

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